A superior color finish that remains beautifully tough for years and years, panels are available in a range of contemporary colors. These panels and color trim can be combined to provide a contrasting or complimenting finish that is architectrually attractive. Walls and Roof Panels Wall and roof panels in 24 or 26 gauge offer the building user a choice of the best of exterior finishes: Color coated panels, a superior silicone polyester painted finish which is available with a 20 year limited warranty; or Galvalume, an aluminum/zinc alloy coated steel panel. GALVALUME Galvalume panels are formed of steel sheets that have a coating that is about 55 percent aluminum and 45 percent zinc by volume. The result is a steel that is highly corrosive resistant. Galvalume offers the building owner the best features of both aluminum and zinc: The durability and long life of aluminum coatings, and the galvanic protection of zinc coating.